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Everyone safe in partial roof collapse in building off Raspberry Road in Anchorage, officials say

Jan. 30—The roof over part of a building on Raspberry Road near C Street collapsed Tuesday morning, the Anchorage Fire Department said.

The department said in a statement Tuesday afternoon that the cause of the collapse, at a building in the 600 block of Raspberry Road, is under investigation, and no one required medical treatment.

But the department pointed out that it is important for people to clear roofs following a record-breaking pace of snowfall this year. More than 8 feet of snow has fallen on the city, including 17 inches in recent days.

Heavy snowloads have caused at least four roofs to buckle in Anchorage this winter.

Municipal officials have issued snow-clearing guidance for commercial and residential buildings in the city. They say they believe about 500 to 1,000 buildings in the city have a particular wooden roof structure that has been identified as the factor in most of the 20 roof failures this winter and last winter. The buildings at the highest risk are commercial structures with large roofs built prior to 1990 and supported by wooden trusses with metal gang nail plates. An Anchorage resident was killed last year in a collapse at the Turnagain CrossFit gym in South Anchorage.

[Anchorage officials say up to 1,000 commercial buildings at risk of roof collapse, and urge homeowners to clear snow too]

The department was notified of the partial building collapse at about 9 a.m., the department said in a statement.

"The cause of the partial building collapse is still under investigation," the department said. "We are asking the public to avoid the area."

"Upon arrival, AFD was advised that all occupants were out of the building," the fire department said. "AFD did not provide medical treatment or transport. As of this writing, AFD has turned the scene over to the municipal building department."

"The Anchorage Fire Department would like to remind the community of the importance of clearing your roof of snow," the department said.

"If you have concerns about your home or commercial building, a structural engineer is the best person to conduct a building evaluation and determine risk and/or safety," it said.

This is a developing story. Check back for updates.